I need to display some images which can be scrolled horizontally. Only one image should be visible on the screen. It should be like iphone screen, which has multiple 4 or more screen and display the items per screen and shows how many screens left as small circles at the bottom. Like that I have show the small circles as many as the images. I tried GestureListener, but it scroll only a single image. Any suggestions pls..
You might want to take a look at android.widget.AdapterView and android.widget.Gallery: These are standard Android widgets that provide scrolling through images. However, this will not look like the UI you describe (iOS look&feel) but like an Android app...
See this example code:
http://developer.android.com/resources/samples/ApiDemos/src/com/example/android/apis/view/Gallery1.html
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There are buttons from the service. I need to show these buttons according to the screen size. Buttons that do not fit on the screen should appear when you scroll to the right using the viewpager. How can I do that.
Sorry, I made the picture by hand.
I want to make a large scrollable canvas where I would like to put some buttons which can be viewed by scrolling on the screen
as you can see in the image, only two buttons are available at a time, but other buttons can be viewed by panning on the screen. Any suggestions to implement such interface on Android would be highly appreciated.
We want to show in an Android app a list of images in the similar manner with many gallery apps: horizontal sliding by using a gesture to show the next/previous image.
Also the image viewer should support zoom/pinch (besides other features).
Images can came from a database or from a directory and can be as much as 200-300.
The question is: Which is the best way to implement the slide-show part from the environment described above?
Through animations of a two TImage? There exist a specialized component for this? By using Horizontal Scroll box?
Stick 10 TRectangle objects in a THorzScrollBox. It could be more or less than 10 depending on the memory that the device has. Align them all to alTop. Load the images for display in TRectangle.Fill.Bitmap.Bitmap.
When the user scrolls down and is near the bottom of the ten, move the top rectangle to the bottom of the chain and load the newest image from your list into the new bottom one.
When the user scrolls up and is near the top of the ten, move the bottom rectangle to the top of the chain and load the newest image from your list into the new top one.
The reason behind doing it this way is that TRectangle is a really light image display container and you are recycling the TRectangle objects instead of deleting and creating them all the time.
It is possible that you will experience a display pop when you move the next TRectangle object to the top of the chain or when you move it to the bottom of the chain. You will have to create code to take care of this either by setting the position on THorzScrollBox or decreasing and increasing the height of the TRectangle as it leaves or enters the view until it is full size.
If you have installed samples with your Delphi instalation then you can find several examples of how to do this in:
Samples\FireMonkey\Fireflow
Samples\FireMonkey\MetropolisUIFlipViewDemo
Maybe there are even more of them. I haven't checked every sample so far.
working on an app and The way I want to set it up is different than what I have ever done before. I want the main activity when launched into the app to exceed past the boundaries of the physical phone screen, and for the user to be able to swipe out to parts of the app that they can't originally see.
I am not sure what the terminology is or what methods or classes etc to use. Any info that could point me in the right direction would be great! Thanks!
Just some clarification:
I think what I'm trying to say is the second thing you talked about. Imagine if you place a iPhone for example in the middle of a piece of computer paper. What I want to achieve is to have the whole view the size of the paper, but only be able to see the size of the iPhone's screen at a time. So you can go up a little bit and see what was above the screen, or left or right
If you want more screens and be able to switch between them, use ViewPager.
If you want one large view bigger than screen, you can either combine ScrollView for vertical scrolling and HorizontalScrollView for horizontal scrolling, or make some custom View, which will be able to scroll (you have to implement it on your own) in both direction.
If you want to have just some views outside of the screen and bring them to visible area on some event, you can use RelativeLayout and set to its views proper margin.
If you want something else, add more information, how it should look and act like.
I am trying to create a horizontal like image gallery on one of my activities. I want it to take up about 1/4 of the screen and when you swipe left or right it'll go to the next image. Also over the bottom portion of the image there is an indicator showing you where you are in the list of images. Similar to what was done in these apps:
I can't seem to find out how to create this in android. I'm hoping someone out there has an idea and can point me in the right direction or to a tutorial.
Have you taken a look at ViewPagerIndicator?